Swift has a feature that lets users to assign optional value to a variable or a constant. Optional variable or constant can contain a value or a nil value. Let us take the following example which tries to find a given string in a array of string. Optional Binding [code language=”swift”]var fruits = ["Apple","Orange","Grape","Mango"] let […]
How to change text case in Word 2013 and Word 2010
Microsoft Word 2013 and Word 2010 allows users to change the CASE of the selected text using the Change Case option available as part of the Home menu. For example if you have the following text in your word document and you want to change the CASE by capitalizing each word. Then select above the […]
Change the page colour in Word 2010 and Word 2013
The standard page colour of a word document is white. But in Word 2013 and Word 2010, you can also change the page colour using the Page Layout menu option. You can do the following to change the word document page colour in Word 2010. From the File menu, click Page Layout menu option Navigate […]
Changing column width in excel 2013 and excel 2010
There are different ways for changing the column width of cell in Excel 2010 and Excel 2013. Some of them are listed below Double Clicking Column Header The easiest one for adjusting the column width is to double click the Column Header of cell whose width needs to be changed depending on the longest length […]
Change message format in Outlook 2007, 2010, 2013 and Outlook 2011 for Mac
Microsoft Outlook allows users to receive and send emails in their preferred email format. The three email formats provided to the users are HTML, Rich Text and Plain Text. This tutorial is about the steps required to change email format in Outlook. Change message format in Outlook 2010 and Outlook 2013 The message format of […]
How to change the Page Size in Word 2010 and Word 2013
Page Layout menu option in Word 2013 and Word 2010 provides users with option for changing the page size. In case if you want to change the page size from the standard A4 size to A3 then you can use this feature. From the Home menu, navigate to Page Layout menu. In the Page Layout […]
How to display line numbers in Xcode
Listed below are the steps to display line number in Xcode editor window. This is quite useful when you are working in a ground and want to communicate the line number of statement to other members. Click Xcode menu option and select Preferences from the menu list In the Preferences window, click Text Editing tab. […]
XCode Playground Overview
Playground is an interactive work environment that allows you to see the values in the sidebar for the written code. As and when you make changes to your code the sidebar reflects the changed result. Listed below are some examples written using Swift language in Playground Sum of n numbers [code language=”swift”]var sum = 0 […]